/** 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package it.free.i.virtual.machine.hal.devicealias;

import it.free.i.virtual.machine.hal.devicealias.command.DeviceAliasPortMessagePayload;

/**  
 * Tagging interface for the data carrying paradigm
 * @author stefano
 */
public interface DataBag {

	/**
	 * Set the payload
	 * @param payload
	 */
	public void setPayload(DeviceAliasPortMessagePayload payload);
	
	/**
	 * Get the payload
	 * @return the payload
	 */
	public DeviceAliasPortMessagePayload getPayload();
	
	/**
	 * Set the payload data type
	 * @param payloadDataType is the payload data type
	 */
	//public void setPayloadDataType(String payloadDataType);
	
	/**
	 * Get the payload data type
	 * @return the payload data type
	 */
	public String getPayloadDataType();
	
	/**
	 * Return the command creation time stamp
	 * @return the millis time stamp
	 */
	public long getCreationTimeStamp();
}
